The Karel IP310P is a PoE IP phone model with HD voice support and a VoIP account can be defined. Thanks to PoE (Power over Ethernet) support, it can operate without the need for a power adapter, only via Ethernet cable. Its 2.3-inch graphic LCD display has a resolution of 132x64 pixels. With Karel IP310P, you can use standard phone features such as call waiting, do not disturb, one-touch speed dialing and mute, and you can perform five-way conferencing.
Audio Features
• HD voice: HD handset, HD speaker
• Smart Noise Filtering
• Wideband codec: Opus, G.722
• Narrowband codec: G.711(A/µ), G.723.1, G.729AB, G.726, iLBC
• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
• One VoIP account
• Call hold, mute, DND
• One-touch speed dial, hotline
• Call forward, call waiting, call transfer
• Group listening, SMS, emergency call
• Redial, call return, auto answer
• Local 5-way conferencing
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Set date time manually or automatically
• Dial plan
• XML Browser, action URL/URI
• Integrated screenshots
• RTCP-XR, VQ-RTCPXR
• Enhanced DSS Key
Directory
• Local phonebook up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Smart dialing
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded
IP-PBX Features
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Flexible seating
• Call park, call pickup
• Executive and Assistant
• Centralized call recording
• Visual voice mail
• Call recording
Display and Indicator
• 2.3” 132x64-pixel graphical LCD
• LED for call and message waiting indication
• Intuitive user interface with icons and soft keys
• Multilingual user interface
• Caller ID with name and number
• Power saving
Feature Keys
• 6 features keys: transfer, message, headset, redial, mute, hands-free speakerphone
• 5 navigation keys
• Volume control keys
Interface
• 2 x RJ45 10/100M Ethernet ports
• Power over Ethernet (IEEE 802.3af), class 2
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
Other Physical Features
• Wall mountable
• External AC adapter AC 100~240V input and DC 5V/600mA output
• Power consumption (PSU): 2-3W
• Power consumption (PoE): 3-4W
• Dimension (W*D*H*T): 185mm*189mm*162mm*50mm
• Operating humidity: 10~95%
• Operating temperature: -10~50°C
Management
• Configuration: browser/phone/ auto-provision
• Auto provision via FTP/ TFTP/HTTP/HTTPS for mass deploy
• Auto-provision with PnP
• Zero-sp-touch, TR-069
• Phone lock for personal privacy protection
• Reset to factory, reboot
• Package tracing export, system log
Network and Security
• SIP v1 (RFC2543), v2 (RFC3261)
• Call server redundancy supported
• NAT traversal: STUN mode
• Proxy mode and peer-to-peer SIP link mode
• IP assignment: static/DHCP
• HTTP/HTTPS web server
• Time and date synchronization using SNTP
• UDP/TCP/DNS-SRV (RFC 3263)
• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
• SRTP for voice
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication
• OpenVPN, IEEE802.1X
• IPv6
• LLDP/CDP/DHCP VLAN
• ICE